The 2019 Batanes earthquake was a magnitude 6.0 earthquake which struck
Batanes
Batanes, officially the Province of Batanes ( ivv, Provinsiya nu Batanes; Ilocano: ''Probinsia ti Batanes''; fil, Lalawigan ng Batanes, ), is an archipelagic province in the Philippines, administratively part of the Cagayan Valley region. It i ...
,
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
on July 27, 2019. It was preceded by a 5.4 magnitude
foreshock
A foreshock is an earthquake that occurs before a larger seismic event (the mainshock) and is related to it in both time and space. The designation of an earthquake as ''foreshock'', ''mainshock'' or aftershock is only possible after the full sequ ...
. Nine people were killed by the combined effects of the earthquakes.
Earthquake
The main shock of the 2019 Batanes earthquake was the 6.0 magnitude earthquake which had a depth of focus of . The
Philippine Institute of Volcanology and Seismology
The Philippine Institute of Volcanology and Seismology (PHIVOLCS, ; tl, Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and ...
(PHILVOLCS) earlier recorded the
tectonic earthquake
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, from ...
as a magnitude 6.4 but later revised their records.
The earthquake occurred at 7:38 a.m. (UTC+8) on July 27, 2019 near
Itbayat
Itbayat, officially the Municipality of Itbayat, ( ivv, Kavahayan nu Itbayat; tl, Bayan ng Itbayat), is a 5th class municipality in the province of Batanes, Philippines. According to the 2020 census, it has a population of 3,128 people.
Itbay ...
,
Batanes
Batanes, officially the Province of Batanes ( ivv, Provinsiya nu Batanes; Ilocano: ''Probinsia ti Batanes''; fil, Lalawigan ng Batanes, ), is an archipelagic province in the Philippines, administratively part of the Cagayan Valley region. It i ...
.
A noted
foreshock
A foreshock is an earthquake that occurs before a larger seismic event (the mainshock) and is related to it in both time and space. The designation of an earthquake as ''foreshock'', ''mainshock'' or aftershock is only possible after the full sequ ...
of the earthquake was the magnitude 5.4 earthquake which struck the same town at 4:16 a.m. (UTC+8). It had a depth of focus of
One of the stronger aftershocks was a magnitude 5.8 earthquake which occurred at 9:24 a.m. (UTC+8).
Intensity
According to the
PHIVOLCS Earthquake Intensity Scale
The PHIVOLCS Earthquake Intensity Scale (PEIS) is a seismic scale used and developed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) to measure the intensity of earthquakes.
It was developed as upon a specific response to the ...
, the earthquake was most felt in the town of
Itbayat
Itbayat, officially the Municipality of Itbayat, ( ivv, Kavahayan nu Itbayat; tl, Bayan ng Itbayat), is a 5th class municipality in the province of Batanes, Philippines. According to the 2020 census, it has a population of 3,128 people.
Itbay ...
,
Batanes
Batanes, officially the Province of Batanes ( ivv, Provinsiya nu Batanes; Ilocano: ''Probinsia ti Batanes''; fil, Lalawigan ng Batanes, ), is an archipelagic province in the Philippines, administratively part of the Cagayan Valley region. It i ...
at Intensity VII while the other towns of the same province reported a lesser intensity;
Basco at Intensity V,
Sabtang
Sabtang, officially the Municipality of Sabtang ( ivv, Kavahayan nu Sabtang; tl, Bayan ng Sabtang), is a 6th class municipality in the province of Batanes, Philippines. According to the 2020 census, it has a population of 1,696 people.
The south ...
and
Ivana at Intensity IV.
[ According to the ]United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...
, the earthquake had a maximum intensity of VI or has caused "Strong" shaking according to the Modified Mercalli intensity scale
The Modified Mercalli intensity scale (MM, MMI, or MCS), developed from Giuseppe Mercalli's Mercalli intensity scale of 1902, is a seismic intensity scale used for measuring the intensity of shaking produced by an earthquake. It measures the effe ...
.
No tsunami warning was raised following the main earthquake.
Casualties and damages
At least 9 people were killed and 60 injured due to the earthquakes. The historic, Santa Maria de Mayan Church in Itbayat, built in 1888, sustained heavy damage from the earthquake with its bell tower falling off. Several stone houses, two schools, and two health centers were also damaged.
According to the National Disaster Risk Reduction and Management Council
The National Disaster Risk Reduction and Management Council (NDRRMC), formerly known as the National Disaster Coordinating Council (NDCC), is a working group of various government, non-government, civil sector and private sector organizations o ...
(NDRRMC), 911 families or 2,963 individuals were affected by the Batanes earthquakes.[ The Department of Public Works and Highways (DPWH) on their part made an estimate that the damage caused by the earthquake costed at least .
]
Response
Then-president Rodrigo Duterte
Rodrigo Roa Duterte (, ; born March 28, 1945), also known as Digong, Rody, and by the initials DU30 and PRRD, is a Filipino lawyer and politician who served as the 16th president of the Philippines from 2016 to 2022. He is the chairperson ...
made a visit to Batanes on July 28, 2019 to personally check the situation in the province.[ He also made a pledge for the government to release for the construction of a new clinic with Duterte citing the uncertainty regarding the integrity of the still functional Itbayat District Hospital which sustained minimal cracks.] Then-vice president Leni Robredo
Maria Leonor "Leni" Gerona Robredo (; born Maria Leonor Santo Tomas Gerona; April 23, 1965) is a Filipino lawyer and politician who served as the 14th vice president of the Philippines from 2016 to 2022.
She was the wife of the late Jesse Ro ...
also visited the island province.
The NDRRMC also provided tents and other relief goods to people displaced due to earthquake via C-130
The Lockheed C-130 Hercules is an American four-engine turboprop military transport aircraft designed and built by Lockheed (now Lockheed Martin). Capable of using unprepared runways for takeoffs and landings, the C-130 was originally des ...
. Other provinces and private organizations also provided aid to Batanes.[ The agency also shipped construction materials for new houses meant for the victims of the earthquake.]
By August 1, 2019, the whole province of Batanes has been placed under a state of calamity
A state of emergency is a situation in which a government is empowered to be able to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state du ...
.
China through its embassy in Manila donated as aid following the earthquake.
See also
* List of earthquakes in 2019
* List of earthquakes in the Philippines
The Philippines lies along the Pacific Ring of Fire, which causes the country to have frequent seismic and volcanic activity. Many earthquakes of smaller magnitude occur very regularly due to the meeting of major tectonic plates in the region. T ...
* 2019 Luzon earthquake
On April 22, 2019, a 6.1 magnitude earthquake struck the island of Luzon in the Philippines, leaving at least 18 dead, three missing and injuring at least 256 others. Despite the fact that the epicenter was in Zambales, most of the damage to inf ...
* 2019 Visayas earthquake
The 2019 Eastern Samar Earthquake struck the islands of Visayas in the Philippines on April 23, 2019 at 1:37:51 PM(PHT).It had a moment magnitude of 6.5 and a local magnitude of 6.2 with a max intensity of VI based on the PHIVOLCS Earthquake Int ...
* Manila Trench
The Manila Trench is an oceanic trench in the Pacific Ocean, located west of the islands of Luzon and Mindoro in the Philippines. The trench reaches a depth of about , in contrast with the average depth of the South China Sea of about . It is ...
* Philippine Trench
The Philippine Trench (also Philippine Deep, Mindanao Trench, and Mindanao Deep) is a submarine trench to the east of the Philippines. The trench is located in the Philippine sea of the western North Pacific Ocean and continues NNW-SSE. It has a ...
References
External links
*
{{Earthquakes in the Philippines
Batanes earthquakes
History of Batanes
July 2019 events in the Philippines
Earthquakes in the Philippines
2019 earthquakes